Olympic gymnast Chellsie Memmel in Lake Barrington

London-bound Olympic gymnast Chellsie Memmel will meet with fans at the grand opening of Kids in Action Gymnastics Academy at 28039 W. Northpointe Parkway in Lake Barrington, across from the Lake Barrington Field House, from 6 to 9 p.m. Saturday, April 28.

The event also will feature a DJ and open gym. All children must be accompanied by a parent or guardian. No drop-offs are allowed.